Of course the effect in the medical field is more deadly than in audio, but the widespread denial of settled science...
Since when is 'science' settled? I mean, I guess the 'science' of apples falling off a tree is settled. Or that too much electricity in too short a time can kill you. Medicine? Medicine is a different thing, altogether. What is settled? Anyone looking can find a huge list of 'treatments' from 'medical science' that turned out to be bogus, unhelpful, and downright dangerous.
The fact that the guy running the Archimago blog is a medical doctor doesn't mean anything to me. Like doctors and their controlling organizations are
per se infallible? Is that his point? That doctors are
ipso facto honest, impartial scientists? Why would I believe that? I'd probably want to know more before I'd accept his health advice, although his audio blog seems pretty straight.
With this in mind, I presume, anent Spenser, that the title of his blog refers to hi-fi charlatans, and not the blog writer? He's probably clarified that, somewhere.
As far as a similarity between the workings of medicine and hi-fi? It is not far fetched. Hi-fi companies 'pay' for advertisements (reviews). Payment to reviewers is not cash (other than ads), but a lot of in-kind stuff. Perks. The same thing goes on in medicine. Don't kid yourself. Only on a much larger scale. Much much larger.
One big difference between the two is that medical operations don't dictate what amplifier you must buy in order for you to get and keep a job. And your insurance won't pay for a new amplifier, every year. And generally, while an amplifier might figuratively 'take your breath away' and 'make your heart beat faster' (at least for the sensitive reviewer), it won't be a literal thing. Not like perhaps the latest and greatest concoction Big Pharma pays docs to push on unsuspecting 'patients', who are then told to 'trust the science'.
In some cases, like audio dealers, doctors are being displaced by 'direct to consumer' operations. In my area you can get 'treatment' for the latest mystery disease, at your local grocery store. You don't even need to go to the doctor for your monthly boost of whatever it is the pharmaceutical companies are giving out. At no out of pocket cost to the consumer! It is not exactly clear how those help your health--what they do for you that is beneficial, but it's not clear what fancy interconnects do for you, either. I don't think fancy interconnects clot up the electrons going from your preamp to your amp, though. I don't think they do that. Maybe that's what cable 'burn in' is for.
All in all, some might argue that it is safer to your health (if not your pocketbook) to buy the latest tweako tube amp, or mystery cable, than it is to visit you doctor.
Stay fit, exercise, don't be overweight, don't over drink, don't eat processed foods. And when the end comes, don't worry about it. We are all in the same boat. If I was playing a doctor on television, that would be my recipe for good health.